Supply Fluorescent Brightener OB-P

The main component of fluorescent brightener OB 2.5- bis (5-tert-butyl-2-benzoxazolyl) thiophene formula C26H26N2O2S Technical indicators Appearance light yellow powder Melting point 200 ℃ ~ 202 ℃ volatile ≤0.5% Fineness ≥100 mesh purity ≥98% Performance and Features 1. The amount of small, high whitening strength, a very small amount can produce very good whitening effect. wide 2. For performance, for a variety of plastic whitening 3. Good 4. There are compatibility with plastics, high temperature performance and excellent light fastness weathering widely used in paints and coatings, inks brightening, brightening. Scope 1. Especially suitable for polyolefins, polyamides, acrylonitrile and other plastics are widely used in whitening 2. The film, injection molding and extrusion molding material, suitable for all plastic processing Usage Recommended dosage: OB brightener every 100kg material about 20g, the specific amount depending on the formulation The adjustment packaging and storage 40KG / cardboard drum lined with plastic bags or according to user requirements packaging, in a cool, dry place away from light, the storage period of two years. Note 1. This product information for reference, research and identification, The Company is not liable for patent dispute caused. 2. If you have any technical or usage problems, please contact me.